Ginkgo biloba 'Princeton Sentry' (m)

RHS Plant Profile

maidenhair tree 'Princeton Sentry'

Trees

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A slow-growing, columnar, deciduous tree ulltimately reaching about 8m tall and 3m across, with leathery, mid-green, fan-shaped leaves turning yellow in autumn. This is a male cultivar so does not produce any unpleasant-smelling fruit

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 20–50 years
Max Spread: 2.5-4 metres
Max Height: 4-8 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Ginkgoaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Potentially harmful: Seeds harmful if eaten. Wear gloves and other protective equipment when handling. Seed TOXIC to pets - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Ginkgo are large deciduous trees, developing an irregular, spreading crown with age, fan-shaped, 2-lobed leaves, and on female trees, unpleasantly scented yellow fruits each containing a single large seed
Name Status: Accepted

How to Grow

Cultivation

Grow in well-drained soil in full sun. Tolerant of atmospheric pollution. Makes a good specimen tree

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Cottage and informal garden
Low Maintenance

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus (rarely)